Home / 769,913.84-1,062,487.95-425,772.92

Finding the Fourth Proportional to 769,913.84, 1,062,487.95 and 425,772.92

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Solution

The fourth proportional to 769,913.84, 1,062,487.95 and 425,772.92 is: 587,570.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,913.84 : 1,062,487.95 = 425,772.92 : x
  2. Step 2: Convert to fraction form
    769,913.84/1,062,487.95 = 425,772.92/x
  3. Step 3: Cross multiply
    769,913.84x = 1,062,487.95 × 425,772.92
  4. Step 4: Simplify right side
    769,913.84x = 452,378,591,623.87
  5. Step 5: Solve for x
    x = 452,378,591,623.87/769,913.84
  6. Step 6: Final answer
    x = 587,570.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.